Analysis

  • max time kernel
    37s
  • max time network
    104s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 23:54

General

  • Target

    327e472f1cbf273b4f6217b11ca1c7b82f90951e18481e7e1428935590048142.exe

  • Size

    512KB

  • MD5

    c9681ee17c34c54aba1fcacc5852e786

  • SHA1

    2ca924c31d11cdbe12e2149c0b09d9956f6587be

  • SHA256

    327e472f1cbf273b4f6217b11ca1c7b82f90951e18481e7e1428935590048142

  • SHA512

    0f4fdc26eaaa141ee19ecce29973ef0bd73491a3acca86d8d18cfc991fcc346aaf2a785b354dfe728eca7f3a2b184d0160f1fda897e23c4a002b938020f2978b

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4N:0+h9OY70z+warul3E4N

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\327e472f1cbf273b4f6217b11ca1c7b82f90951e18481e7e1428935590048142.exe
    "C:\Users\Admin\AppData\Local\Temp\327e472f1cbf273b4f6217b11ca1c7b82f90951e18481e7e1428935590048142.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\n703\s703.exe
      "C:\Users\Admin\AppData\Local\Temp\n703\s703.exe" ae27e0e4b5fb980a5b56f18bSvcSuVyr8tZ/z+0+xaYikm3pxVJm9ge255YA8Q29BUWmJW2Orvojxh/G3bx47jV515aZaYzjW+Eq0z4JZGiI6Uq7huhFMcc/8IfgKTYcFkHVE3QCa0JdDKNg3YDoV+EKLO2JW90ffn6rNpxURz7eAlDF /v "C:\Users\Admin\AppData\Local\Temp\327e472f1cbf273b4f6217b11ca1c7b82f90951e18481e7e1428935590048142.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1892

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n703\s703.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n703\s703.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n703\s703.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n703\s703.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n703\s703.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n703\s703.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1892-59-0x0000000000000000-mapping.dmp

  • memory/1892-62-0x000007FEF48A0000-0x000007FEF52C3000-memory.dmp

    Filesize

    10.1MB

  • memory/1892-63-0x000007FEF3800000-0x000007FEF4896000-memory.dmp

    Filesize

    16.6MB

  • memory/1892-64-0x000007FEFC2F1000-0x000007FEFC2F3000-memory.dmp

    Filesize

    8KB

  • memory/1892-65-0x0000000000966000-0x0000000000985000-memory.dmp

    Filesize

    124KB

  • memory/1892-66-0x000007FEEE5C0000-0x000007FEEF44F000-memory.dmp

    Filesize

    14.6MB

  • memory/1892-67-0x000007FEF2D20000-0x000007FEF300A000-memory.dmp

    Filesize

    2.9MB

  • memory/1892-68-0x0000000000966000-0x0000000000985000-memory.dmp

    Filesize

    124KB

  • memory/2028-54-0x0000000075A71000-0x0000000075A73000-memory.dmp

    Filesize

    8KB